//
//  RBVisitorView.swift
//  myWeiBo
//
//  Created by 刘邓诏初 on 16/4/8.
//  Copyright © 2016年 刘邓诏初. All rights reserved.
//

import UIKit

// 1.定义代理协议
protocol RBVisitorViewDelegete: NSObjectProtocol{
    // 2.定义代理方法
    func visitorViewDidClickRegisterButton(visitorView visitorView: UIView)
    
    func visitorViewDidClickLoginButton(visitorView visitorView: UIView)
}

class RBVisitorView: UIView {
    // 3. 定义代理属性
    weak var delegete: RBVisitorViewDelegete?
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override init(frame: CGRect) {
        super.init(frame:frame)
        
        prepareUI()
        

        backgroundColor = UIColor(white: 237 / 255.0, alpha: 1)
    }
    
    // MARK: - 公开方法
    func setupVisitorViewInfo(imageName: String, message: String) {
        // 设置转轮的图片
        iconView.image = UIImage(named: imageName)
        
        // 设置消息内容
        messageLabel.text = message
        
        // 隐藏小房子
        homeView.hidden = true
        
        // 隐藏遮盖
        coverView.hidden = true
    }
    
    /**
     转轮旋转 - 使用核心动画
     */
    func startRotation(){
        // 创建核心动画
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        // 设置
        anim.toValue = M_PI * 2
        anim.repeatCount = MAXFLOAT
        anim.duration = 20
        // 动画完成不要移除动画
        anim.removedOnCompletion = false
        // 添加核心动画
        iconView.layer.addAnimation(anim, forKey: nil)
    }
    
    
    // MARK: - 私有方法
    private func prepareUI() {
        // 1.添加控件
        addSubview(iconView)
        addSubview(coverView)
        addSubview(homeView)
        addSubview(messageLabel)
        addSubview(registerBtn)
        addSubview(loginBtn)
        
        // 2. 禁用Autoresizing
        iconView.translatesAutoresizingMaskIntoConstraints = false
        coverView.translatesAutoresizingMaskIntoConstraints = false
        homeView.translatesAutoresizingMaskIntoConstraints = false
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        registerBtn.translatesAutoresizingMaskIntoConstraints = false
        loginBtn.translatesAutoresizingMaskIntoConstraints = false
        
        // 3.添加约束
        /// 转轮
        addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        
        addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: -40))
        
        /// 遮盖
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Leading, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Top, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Trailing, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Bottom, relatedBy: NSLayoutRelation.Equal, toItem: registerBtn, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        
        /// 房子
        addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        
        addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: 0))
        
        /// 消息label
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        /// 当参照的view为nil时,attribute必须设置为NSLayoutAttribute.NotAnAttribute
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 250))
        
        /// 注册按钮
        /// 阿拉伯语言
        addConstraint(NSLayoutConstraint(item: registerBtn, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Leading, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: registerBtn, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        addConstraint(NSLayoutConstraint(item: registerBtn, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 100))
        addConstraint(NSLayoutConstraint(item: registerBtn, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
        
        /// 登录按钮
        addConstraint(NSLayoutConstraint(item: loginBtn, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Trailing, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: loginBtn, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: registerBtn, attribute: NSLayoutAttribute.Top, multiplier: 1, constant: 0))
        
        addConstraint(NSLayoutConstraint(item: loginBtn, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: registerBtn, attribute: NSLayoutAttribute.Width, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: loginBtn, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: registerBtn, attribute: NSLayoutAttribute.Height, multiplier: 1, constant: 0))
    
    }
    // MARK: - 懒加载
    // 转轮
    private lazy var iconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))

    /// 遮盖
    private lazy var coverView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    // 小房子
    private lazy var homeView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    
    // 消息文字
    private lazy var messageLabel: UILabel = {
        let label = UILabel()
        label.text = "关注一些人!看看有神马惊喜!"
        label.textAlignment = NSTextAlignment.Center
        label.numberOfLines = 0
        return label
    }()
    
    // 注册按钮
    private lazy var registerBtn: UIButton = {
        let button = UIButton()
        button.setTitle("注册", forState: UIControlState.Normal)
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        button.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)
        // 添加事件
        button.addTarget(self , action: Selector("registerBtnDidClick"), forControlEvents: .TouchUpInside)
        return button
    }()
    
    // 登录按钮
    private lazy var loginBtn: UIButton = {
        let button = UIButton()
        button.setTitle("登录", forState: UIControlState.Normal)
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        button.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)
        // 添加事件
        button.addTarget(self , action: Selector("loginBtnDidClick"), forControlEvents: .TouchUpInside)
        return button
    }()
    
    // MARK: - 按钮点击事件
    @objc private func registerBtnDidClick(){
        // 4.调用代理方法
        delegete?.visitorViewDidClickRegisterButton(visitorView: self)
    }
    
    @objc private func loginBtnDidClick(){
        // 4.调用代理方法
        delegete?.visitorViewDidClickLoginButton(visitorView: self)
    }
    
}
